Re: [PATCH] /proc/net/dev counter fix, linux-2.5.0

[Alan Cox]

> I have made a patch to fix the counter values in /proc/net/dev. The
> problem was that the tx_bytes and rx_bytes will reset when ~4GB is
> transferred. This patch has been tested to work with linux-2.5.0 but it
> should work on all 2.4.* kernels. Also it should work with most of the
> interface cards but not all yet.

It's something we've always avoided doing. A long long is expensive to
update and not an atomic type on things like the x86. The firewalling 
facilities let you collect 64bit accounting data if you need it